Untabify every single file

YOLO.

This is a repeat of #642. As before, I just did

    rg -l '\t' | xargs -n 1 sed -i -e 's/\t/    /g'

inside the desktop_version/ folder.

desktop_version/src/Music.h

@@ -17,59 +17,59 @@
 class musicclass
 {
 public:
-	musicclass(void);
-	void init(void);
-	void destroy(void);
+    musicclass(void);
+    void init(void);
+    void destroy(void);
 
-	void play(int t);
-	void resume();
-	void resumefade(const int fadein_ms);
-	void pause(void);
-	void haltdasmusik(void);
-	void silencedasmusik(void);
-	void fadeMusicVolumeIn(int ms);
-	void fadeMusicVolumeOut(const int fadeout_ms);
-	void fadeout(const bool quick_fade_ = true);
-	void fadein(void);
-	void processmusicfadein(void);
-	void processmusicfadeout(void);
-	void processmusic(void);
-	void niceplay(int t);
+    void play(int t);
+    void resume();
+    void resumefade(const int fadein_ms);
+    void pause(void);
+    void haltdasmusik(void);
+    void silencedasmusik(void);
+    void fadeMusicVolumeIn(int ms);
+    void fadeMusicVolumeOut(const int fadeout_ms);
+    void fadeout(const bool quick_fade_ = true);
+    void fadein(void);
+    void processmusicfadein(void);
+    void processmusicfadeout(void);
+    void processmusic(void);
+    void niceplay(int t);
 
-	void changemusicarea(int x, int y);
+    void changemusicarea(int x, int y);
 
-	int currentsong;
+    int currentsong;
 
-	void playef(int t);
-	void pauseef(void);
-	void resumeef(void);
+    void playef(int t);
+    void pauseef(void);
+    void resumeef(void);
 
-	std::vector<SoundTrack> soundTracks;
-	std::vector<MusicTrack> musicTracks;
-	SoundSystem soundSystem;
-	bool safeToProcessMusic;
+    std::vector<SoundTrack> soundTracks;
+    std::vector<MusicTrack> musicTracks;
+    SoundSystem soundSystem;
+    bool safeToProcessMusic;
 
-	int nicechange; // -1 if no song queued
-	bool nicefade;
+    int nicechange; // -1 if no song queued
+    bool nicefade;
 
-	bool m_doFadeInVol;
-	bool m_doFadeOutVol;
-	int musicVolume;
+    bool m_doFadeInVol;
+    bool m_doFadeOutVol;
+    int musicVolume;
 
-	/* 0..USER_VOLUME_MAX */
-	int user_music_volume;
-	int user_sound_volume;
+    /* 0..USER_VOLUME_MAX */
+    int user_music_volume;
+    int user_sound_volume;
 
-	bool quick_fade;
+    bool quick_fade;
 
-	// MMMMMM mod settings
-	bool mmmmmm;
-	bool usingmmmmmm;
+    // MMMMMM mod settings
+    bool mmmmmm;
+    bool usingmmmmmm;
 
-	binaryBlob pppppp_blob;
-	binaryBlob mmmmmm_blob;
-	int num_pppppp_tracks;
-	int num_mmmmmm_tracks;
+    binaryBlob pppppp_blob;
+    binaryBlob mmmmmm_blob;
+    int num_pppppp_tracks;
+    int num_mmmmmm_tracks;
 };
 
 #ifndef MUSIC_DEFINITION